HyukjinKwon opened a new pull request, #48456: URL: https://github.com/apache/arrow/pull/48456
### Rationale for this change https://github.com/apache/arrow/blob/7a36fcc8b7456bea52911f9601b26be51d16265a/python/pyarrow/parquet/core.py#L743 This was first introduced in https://github.com/apache/arrow/commit/4a6a6cb47dcf832213f1fb31f2325ad10a3864bd but did not implement the logic to handle nested types. ### What changes are included in this PR? This PR implements the nested handling for the sanitising the field names ParquetWriter (flavor='spark') ### Are these changes tested? Unittests were added, and manually tested via: ``` pytest python/pyarrow/tests/parquet/test_basic.py -k 'sanitized_spark' -v ``` ### Are there any user-facing changes? Yes. It sanitize the field names when `ParquetWriter` is used with `flavor` set to `'spark'`. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
